The geissele super semi-automatic (ssa) trigger is a semi-automatic only version of geissele automaticss super select-fire trigger.The ssa is a non-adjustable combat trigger that is a precision two-stage trigger and allows precise and accurate trigger control.The two-stage design allows the trigger to be light enough for accurate and precise shots, but forgiving enough for cqb.Finish: Black OxideType: TriggerModel: SSASize: Mil-SpecMaterial: SteelTrigger: Two Stage